Verdict: We will have another fitness tracker No.1 DT58. There are a lot of basic tracker out in the market.It is cheap, but is it good enough? Display and Screen With No.1 DT58 smartwatch, No.1 is offering a larger 1.14 inch TFT color screen, the weight is 25.6g. It isn’t going to floor you with its design.The band material is TPU. But it is comfortable,durable and slim even you are sweating during the workouts. It is an ip68 waterproof wearable,it is good news for swimmers or anyone who find it is a pain to take off in the morning shower(No hot bath).The screen resolution is 135*240.It comes with 3 models to choose from,black, white and Navy blue.The price will be about $30. Specs and Interface There is a touch key at the bottom of the screen which you can hold down to activate features,or press and go back.One of the biggest new feature is HRV(Heart rate variability)You hold it down for 30 seconds, the ECG data will be more accurate.You can now test your heart rate,blood pressure,HRV on your wrist.Things goes further within the app Hplus, such as min, max and average data.If something goes with your body,you can get to know first and ask doctor for early help.Another feature is respiratory guidance. You need to exhale and exhale for 2 mins to calm down and decrease your stress.As for clock faces,you can find various options in profile tab within app.The altimeter ,ultraviolet,air pressure and weather are pushed through interenet
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